205357800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 666519840

約数和(自身を除く): 461162040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 138, 150, 184, 200, 230, 276, 300, 345, 460, 529, 552, 575, 600, 647, 690, 920, 1058, 1150, 1294, 1380, 1587, 1725, 1941, 2116, 2300, 2588, 2645, 2760, 3174, 3235, 3450, 3882, 4232, 4600, 5176, 5290, 6348, 6470, 6900, 7764, 7935, 9705, 10580, 12696, 12940, 13225, 13800, 14881, 15528, 15870, 16175, 19410, 21160, 25880, 26450, 29762, 31740, 32350, 38820, 39675, 44643, 48525, 52900, 59524, 63480, 64700, 74405, 77640, 79350, 89286, 97050, 105800, 119048, 129400, 148810, 158700, 178572, 194100, 223215, 297620, 317400, 342263, 357144, 372025, 388200, 446430, 595240, 684526, 744050, 892860, 1026789, 1116075, 1369052, 1488100, 1711315, 1785720, 2053578, 2232150, 2738104, 2976200, 3422630, 4107156, 4464300, 5133945, 6845260, 8214312, 8556575, 8928600, 10267890, 13690520, 17113150, 20535780, 25669725, 34226300, 41071560, 51339450, 68452600, 102678900, 205357800]

約数ペア:

[(1, 205357800), (2, 102678900), (3, 68452600), (4, 51339450), (5, 41071560), (6, 34226300), (8, 25669725), (10, 20535780), (12, 17113150), (15, 13690520), (20, 10267890), (23, 8928600), (24, 8556575), (25, 8214312), (30, 6845260), (40, 5133945), (46, 4464300), (50, 4107156), (60, 3422630), (69, 2976200), (75, 2738104), (92, 2232150), (100, 2053578), (115, 1785720), (120, 1711315), (138, 1488100), (150, 1369052), (184, 1116075), (200, 1026789), (230, 892860), (276, 744050), (300, 684526), (345, 595240), (460, 446430), (529, 388200), (552, 372025), (575, 357144), (600, 342263), (647, 317400), (690, 297620), (920, 223215), (1058, 194100), (1150, 178572), (1294, 158700), (1380, 148810), (1587, 129400), (1725, 119048), (1941, 105800), (2116, 97050), (2300, 89286), (2588, 79350), (2645, 77640), (2760, 74405), (3174, 64700), (3235, 63480), (3450, 59524), (3882, 52900), (4232, 48525), (4600, 44643), (5176, 39675), (5290, 38820), (6348, 32350), (6470, 31740), (6900, 29762), (7764, 26450), (7935, 25880), (9705, 21160), (10580, 19410), (12696, 16175), (12940, 15870), (13225, 15528), (13800, 14881)]